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#!/bin/sh
# -*- tcl -*-
# The next line is executed by /bin/sh, but not tcl \
exec tclsh "$0" ${1+"$@"}
package require Expect
# passmass: change password on many machines
# Synopsis: passmass host1 host2 host3 ....
# Don Libes - March 11, 1991
# Description: Change passwords on the named machines.
#
# See passmass.man for further info.
exp_version -exit 5.0
if {$argc==0} {
send_user "usage: $argv0 host1 host2 host3 . . .\n"
exit
}
expect_before -i $user_spawn_id \003 exit
proc badhost {host emsg} {
global badhosts
send_user "\r\n\007password not changed on $host - $emsg\n\n"
if {0==[llength $badhosts]} {
set badhosts $host
} else {
set badhosts [concat $badhosts $host]
}
}
# set defaults
set login "rlogin"
set program "passwd"
set user [exec whoami]
set su 0
set timeout -1
stty -echo
if {!$su} {
send_user "old password: "
expect_user -re "(.*)\n"
send_user "\n"
set password(old) $expect_out(1,string)
set password(login) $expect_out(1,string)
send_user "new password: "
expect_user -re "(.*)\n"
send_user "\n"
set password(new) $expect_out(1,string)
send_user "retype new password: "
expect_user -re "(.*)\n"
set password(newcheck) $expect_out(1,string)
send_user "\n"
} else {
send_user "login password: "
expect_user -re "(.*)\n"
send_user "\n"
set password(login) $expect_out(1,string)
send_user "root password: "
expect_user -re "(.*)\n"
send_user "\n"
set password(old) $expect_out(1,string)
send_user "new password: "
expect_user -re "(.*)\n"
send_user "\n"
set password(new) $expect_out(1,string)
send_user "retype new password: "
expect_user -re "(.*)\n"
set password(newcheck) $expect_out(1,string)
send_user "\n"
}
stty echo
trap exit SIGINT
if ![string match $password(new) $password(newcheck)] {
send_user "mismatch - password unchanged\n"
exit
}
set timeout -1
set badhosts {}
for {set i 0} {$i<$argc} {incr i} {
set arg [lindex $argv $i]
switch -- $arg "-user" {
incr i
set user [lindex $argv $i]
continue
} "-prompt" {
incr i
set prompt [lindex $argv $i]
continue
} "-rlogin" {
set login "rlogin"
continue
} "-slogin" {
set login "slogin"
continue
} "-ssh" {
set login "ssh"
continue
} "-telnet" {
set login "telnet"
continue
} "-program" {
incr i
set program [lindex $argv $i]
continue
} "-timeout" {
incr i
set timeout [lindex $argv $i]
continue
} "-su" {
incr i
set su [lindex $argv $i]
continue
}
set host $arg
if {[string match $login "rlogin"]} {
set pid [spawn rlogin $host -l $user]
} elseif {[string match $login "slogin"]} {
set pid [spawn slogin $host -l $user]
} elseif {[string match $login "ssh"]} {
set pid [spawn ssh $host -l $user]
} else {
set pid [spawn telnet $host]
expect -nocase -re "(login|username):.*" {
send "$user\r"
}
}
if ![info exists prompt] {
if {[string match $user "root"]} {
set prompt "# "
} else {
set prompt "(%|\\\$|#) "
}
}
set logged_in 0
while {1} {
expect -nocase "password*" {
send "$password(login)\r"
} eof {
badhost $host "spawn failed"
break
} timeout {
badhost $host "could not log in (or unrecognized prompt)"
exec kill $pid
expect eof
break
} -re "incorrect|invalid" {
badhost $host "bad password or login"
exec kill $pid
expect eof
break
} -re $prompt {
set logged_in 1
break
}
}
if (!$logged_in) {
wait
continue
}
if ($su) {
send "su -\r"
expect -nocase "password:"
send "$password(old)\r"
expect "# "
send "$program root\r"
} else {
send "$program\r"
}
expect -nocase -re "(old|existing login) password:.*" {
send "$password(old)\r"
expect -nocase "sorry*" {
badhost $host "old password is bad?"
continue
} -nocase "password:"
} -nocase -re "new password:" {
# got prompt, fall through
} timeout {
badhost $host "could not recognize prompt for password"
continue
}
send "$password(new)\r"
expect -re "not changed|unchanged" {
badhost $host "new password is bad?"
continue
} -nocase -re "(password|verification|verify|again):.*"
send "$password(new)\r"
expect -nocase -re "(not changed|incorrect|choose new).*" {
badhost $host "password is bad?"
continue
} -re "$prompt"
send_user "\n"
close
wait
}
if {[llength $badhosts]} {
send_user "\nfailed to set password on $badhosts\n"
}
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